OpenTechnical

OT-2026-000088861

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000088861) never changes.

Identity and time

Publication numberOT-2026-000088861 · never reused
Internal UUID01a0ae9b-8f10-7b4e-ae19-5def8f327cfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088861
StatusPUBLIC

Content hashes

Canonical text7a52b37f2b04fd6c7af673497127a4db8b5d593e595cccc634e9621b844d51e7
Markdownb58e238645a3a301f6420213e3492414e2f398114d53c38d491ef9c06b2c0119
PDF
Publication page4017e8b3b3fc0bda871f0615bd9d4efa5f8fff3c698f2837ae7d4aa36a2ce91f
Manifest5bdefd014dc1e36b6fdb712efbda494647b77ddfd43e1854a624fb59eed3c63e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturekNeq2IkLhYDSYszPPijK0StL3M1K/BWzgsLY2Vt8DqmsJi7Ig+ExACuTDxl+/1oRTKRSMSmmH7sBzfETp4mVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:15.334509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088861
observed 4017e8b3b3fc0bda871f0615bd9d4efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.317900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088861/manifest.json
observed 5bdefd014dc1e36b6fdb712efbda4946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.300297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088861/publication.md
observed b58e238645a3a301f6420213e3492414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.284472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088861/publication.txt
observed 7a52b37f2b04fd6c7af673497127a4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.